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Ferro-eckermannite Mineral Data
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General Ferro-eckermannite Information
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 Chemical Formula: |
NaNa2(Fe++4Al)Si8O22(OH)2 |
| Composition: |
Molecular Weight = 930.02 gm |
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Sodium 7.42 % Na 10.00 % Na2O |
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Aluminum 2.90 % Al 5.48 % Al2O3 |
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Iron 24.02 % Fe 30.90 % FeO |
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Silicon 24.16 % Si 51.68 % SiO2 |
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Hydrogen 0.22 % H 1.94 % H2O |
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Oxygen 41.29 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na3Fe2+4Al(Si8O22)(OH)2 |
| IMA Status: |
Approved IMA 1964 |
| Locality: |
Link to MinDat.org Location Data. |
| Name Origin: |
Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883). |
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